Basic Electric Transformers Diagram. 300 kva transformer primary 208 secondary 480 277 jefferson 423 7311 000. None x4 x1 h4 h3 h2 h1 x2 x3 connectconnect primary primary inter secondary volts lines to connect lines to 240 h1 h4.
A one line diagram or single line diagram is a simplified notation for representing an electrical system. High voltages are used for the distribution of large amounts of electric power using small conductor sizes. None x4 x1 h4 h3 h2 h1 x2 x3 connectconnect primary primary inter secondary volts lines to connect lines to 240 h1 h4.
Department of the interior bureau of reclamation technical service center infrastructure services division hydroelectric research and technical services group denver colorado april 2005 transformers.
Basically a transformer consists of two inductive coils. The transformer works on basic principles of electromagnetic induction and mutual induction. In the diagram below is shown a three phase transformer basic designthe transformer has three limbs. 1 master element 2 time delay starting or closing relay 3 checking or interlocking relay 4 master contactor 5 stopping device 6 starting circuit breaker 7 rate of change relay 8 control power disconnecting device 9 reversing device 10 unit.